How long will it take for the moon to drift far enough away from earth that the lunar month extends by a day? Or two days? (dice.camp)

submitted 4 hours ago by Shkshkshk@dice.camp to c/asklemmy@lemmy.world

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How long will it take for the moon to drift far enough away from earth that the lunar month extends by a day? Or two days?

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Working on a worldbuilding project for a dnd campaign, and want to subtly hint that its super far into the future with the lunar calendar. If you also know of any websites that can generate star charts of what the night sky will look like in millions of years, that would also be great.

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[-] snoons@lemmy.ca 8 points 2 hours ago* (last edited 2 hours ago)

> invents immortality
> now has to find a way to counteract the heat death of the universe

[-] LifeInMultipleChoice@lemmy.world 4 points 2 hours ago* (last edited 2 hours ago)

Step 1. Invent immortality

Step 2. Figure out a way to get that to everyone on the planet

Step 3. Hope that if people are given the ability that they can live without consuming anything, they will help get rid of the corporate controls tied to everything and make the world a better place.

Step 4. Now that we've got 5 days left to live in peace before the sun gets to close I question, wait... Did i immortal so well now we are all going to have to figure out how to inhabit the interior of the sun. Being that it is hot enough everything melts there are no solids, but we are far less dense than the center of the sun, so we would essentially sink to a level of plasma? That was equal in density to our foot pressure, and then walk around in a liquid state. Much larger than earth.

Step 5. Figure out how we can see anything.

[-] partial_accumen@lemmy.world 1 points 1 hour ago* (last edited 1 hour ago)

I can't think of any version of immortality that wouldn't eventually be a living hell.

Being immortal doesn't necessarily mean you don't feel discomfort or pain. Even if you do have a version that doesn't feel pain or discomfort, you could still be trapped, unable to move, in complete darkness, for all eternity.

Step 3. Hope that if people are given the ability that they can live without consuming anything

If human immortality is widespread to a larger population, its even worse. People stop dying, but resources don't increase. Some versions of immortality also mean humanity becomes sterile. So the population never decreases because people alive today will still exist, but never another new generation.

Step 4. Did i immortal so well now we are all going to have to figure out how to inhabit the interior of the sun.

An immortal "human inhabiting the sun" will mean a human the enters the outer corona, but never having their flesh burn because of the magic immortality. However all your clothes would be burned off long ago. So it would be a bunch of naked immortal humans slowly descending toward the core of the sun eventually being wrapped around the dense pure-neutron core where the affects of gravity would be 100 billion times Earth gravity. You'd stick to it unable to move a single muscle. Matter would be pressing again you all over your body at that same strength. Eventually pure neutrons would encase you inside the core of the star. you'd be stuck in the solid heart of a star for all of eternity.

If we had a larger sun, you might have had the chance to escape when the sun goes supernova and be cast out into the galaxy, but you've got bad luck to be stuck in our solar system and our sun isn't big enough to explode as supernova. Instead, our sun will eventually become a white dwarf, a small star slowing bleeding its remaining heat out into space. This process will take literally trillions of years. Eventually when that heat is gone our sun will be a black dwarf. We have no idea what happens after black dwarf because none exist because the universe isn't old enough yet! Our universe has only been around for 13.8 billion years.

So I hope you enjoy your immortality stuck inside the heart of a cooling star unable to move a muscle with the rest of naked humanity mixed in with you.

I'll be keep my mortality knowing I'll be happily gone in less than 50 years, thanks.

this post was submitted on 17 Jul 2026

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